Sodium carbonate monohydrate
Sodium carbonate monohydrate (CAS: 5968-11-6), with the chemical formula Na2CO3 · H2O and a molecular weight of 124.00 g/mol, is a hydrated salt of sodium carbonate. It presents as a white, crystalline solid. This compound serves as a versatile reagent in chemical synthesis and is particularly valuable as a buffer component in biochemical applications, including the removal of peripheral membrane proteins. Its consistent quality makes it a reliable choice for laboratory and industrial processes.

Buffer Component
Sodium carbonate monohydrate is utilized as a buffer component in various chemical and biochemical processes. Its alkaline nature helps maintain stable pH levels, crucial for many reactions and biological assays.
Protein Extraction
This compound can be employed for the removal of peripheral membrane proteins. Its properties facilitate the solubilisation and separation of these proteins from cell membranes.
Chemical Synthesis
As a basic inorganic salt, sodium carbonate monohydrate is a useful reagent in various chemical synthesis pathways. It can act as a base or a source of carbonate ions.
Laboratory Reagent
Its reliable purity and chemical properties make it a standard reagent for general laboratory use, research, and quality control procedures.
| Molecular weight | 124.00 |
|---|---|
| Linear formula | Na2CO3 · H2O |
| Assay | ≥99.5% |
| Grade | ACS reagent |
| Loss on drying | 13.0-15.0% loss on drying |
| Impurities tested | ≤0.001% N compounds≤0.004% S compounds≤0.005% silica≤0.01% NH4OH ppt.≤0.01% insolubles |
| Application | Buffer component, may be used for the removal of peripheral membrane proteins. |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 22-26 |
| Cation traces | Ca: ≤0.03%Fe: ≤5 ppmK: ≤0.005%Mg: ≤0.005%heavy metals (as Pb): ≤5 ppm |
| Anion traces | chloride (Cl-): ≤0.001%phosphate (PO43-): ≤5 ppmsulfur compounds (as SO42-): ≤0.004% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium carbonate monohydrate used for?
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Sodium carbonate monohydrate is used as a buffer component and for the removal of peripheral membrane proteins in biochemical applications, as well as a reagent in general chemical synthesis.
What is the CAS number and chemical formula for Sodium carbonate monohydrate?
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The CAS number is 5968-11-6, and the chemical formula is Na2CO3 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium carbonate monohydrate in ACS reagent grade with an assay of ≥99.5%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling Sodium carbonate monohydrate?
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Sodium carbonate monohydrate is classified as a Warning with hazard statement H319 (Causes serious eye irritation). It is recommended to wear Eyeshields, Gloves, and a dust mask type N95 (US). Avoid breathing dust and ensure adequate ventilation. In case of contact with eyes, rinse cautiously with water for several minutes; remove contact lenses, if present and easy to do. Continue rinsing.
Is Sodium carbonate monohydrate available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Sodium carbonate monohydrate, catering to international requirements.
How can I request a sample or quote for Sodium carbonate monohydrate?
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To request a sample or a quote for Sodium carbonate monohydrate, please contact our sales team through the website or by calling our dedicated line. Our experts will assist you promptly.
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